[Spring] setDI / AutoDI / CollectionDI

setDI 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
	                    http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="test1" class="beans.Test">
        <property name="d1" value="200"/>
        <property name="d2" value="11.11"/>
        <property name="d3" value='hi'/>
        <property name="d4" value="true"/>
        <property name="d5">
            <bean class="beans.Data"/>
        </property>

        <property name="d6" ref="data"/>
    </bean>

    <bean id="data" class="beans.Data"/>
</beans>

package beans;

public class Test {

        private int d1;
        private double d2;
        private String d3;
        private boolean d4;
        private Data d5;
        private Data d6;

    public int getD1() {
        return d1;
    }

    public void setD1(int d1) {
        this.d1 = d1;
    }

    public double getD2() {
        return d2;
    }

    public void setD2(double d2) {
        this.d2 = d2;
    }

    public String getD3() {
        return d3;
    }

    public void setD3(String d3) {
        this.d3 = d3;
    }

    public boolean isD4() {
        return d4;
    }

    public void setD4(boolean d4) {
        this.d4 = d4;
    }

    public Data getD5() {
        return d5;
    }

    public void setD5(Data d5) {
        this.d5 = d5;
    }

    public Data getD6() {
        return d6;
    }

    public void setD6(Data d6) {
        this.d6 = d6;
    }
}

 

 

AutoDI

 

scope="prototype"

package main;

import beans.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class MainClass {
    public static void main(String[] args) {

        ClassPathXmlApplicationContext ctx =
                new ClassPathXmlApplicationContext("config/beans.xml");

        Test t1 = ctx.getBean("test1", Test.class);
        System.out.println(t1.getD1());
        System.out.println(t1.getD2());
        System.out.println();
        }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- set메소드로 주입하는 방법 -->
    <bean id="test1" class="beans.Test">
        <property name="d1" ref="data"/>
        <property name="d2" ref="data"/>
    </bean>
<!--    <bean id="data" class="beans.Data"/>-->

    <bean id="data" class="beans.Data" scope="prototype"/>
    
    </beans>

package beans;

public class Test {

    private Data d1;
    private Data d2;

    public Data getD1() {
        return d1;
    }

    public void setD1(Data d1) {
        this.d1 = d1;
    }

    public Data getD2() {
        return d2;
    }

    public void setD2(Data d2) {
        this.d2 = d2;
    }
}

 

 

 

autowire="byName"

package main;

import beans.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class MainClass {
    public static void main(String[] args) {

        ClassPathXmlApplicationContext ctx =
                new ClassPathXmlApplicationContext("config/beans.xml");


        Test t2 = ctx.getBean("test2", Test.class);
        System.out.println(t2.getD1());
        System.out.println(t2.getD2());

    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!-- set메소드로 주입하는 방법 -->
    <bean id="test1" class="beans.Test">
        <property name="d1" ref="data"/>
        <property name="d2" ref="data"/>
    </bean>
<!--    <bean id="data" class="beans.Data"/>-->

    <bean id="data" class="beans.Data" scope="prototype"/>

    <!-- autowire="byName": 프로퍼티 이름과 정의된 빈의 이름이 같은 것을 찾아 자동으로 주입 -->
    <bean id="test2" class="beans.Test" autowire="byName"/>

    <bean id="d1" class="beans.Data"/>
    <bean id="d2" class="beans.Data"/>

</beans>

package beans;

public class Test {

    private Data d1;
    private Data d2;

    public Data getD1() {
        return d1;
    }

    public void setD1(Data d1) {
        this.d1 = d1;
    }

    public Data getD2() {
        return d2;
    }

    public void setD2(Data d2) {
        this.d2 = d2;
    }
}

 

 

 

autowire="byType"

package main;

import beans.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class MainClass {
    public static void main(String[] args) {

        ClassPathXmlApplicationContext ctx =
                new ClassPathXmlApplicationContext("config/beans.xml");


        Test2 t = ctx.getBean("test3", Test2.class);
        System.out.println(t.getD1());
        System.out.println(t.getD2());



    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd">

   

    <!-- autowire="byType": 프로퍼티 타입과 정의된 빈의 타입이 일치할 경우 자동으로 주입 -->
    <bean id="test3" class="beans.Test2" autowire="byType"/>
    <bean id="data2" class="beans.Data2"/>

</beans>

package beans;

public class Test2 {

    private Data2 d1;
    private Data2 d2;

    public Data2 getD1() {
        return d1;
    }

    public void setD1(Data2 d1) {
        this.d1 = d1;
    }

    public Data2 getD2() {
        return d2;
    }

    public void setD2(Data2 d2) {
        this.d2 = d2;
    }
}

 

 

 

---

CollectionDI

 

 

List<String> 주입

 

package main;

import beans.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.List;

public class MainClass {
    public static void main(String[] args) {

        ClassPathXmlApplicationContext ctx =
                new ClassPathXmlApplicationContext("config/beans.xml");

        Test t1 = ctx.getBean("test1", Test.class);
        List<String> li = t1.getList1();

        for(String str:li) {
            System.out.println(str);
        }
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="test1" class="beans.Test">
        <property name="list1">
            <list>
                <value>스프링1</value>
                <value>스프링2</value>
                <value>스프링3</value>
            </list>
        </property>

        <property name="list2">
            <list>
                <value type="int">10</value>
                <value type="int">20</value>
                <value type="int">30</value>
            </list>
        </property>

        <property name="list3">
            <list>
                <bean class="beans.Data"/>
                <ref bean="data"/>
            </list>
        </property>

    </bean>

    <bean id="data" class="beans.Data"></bean>
</beans>

package beans;

import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;

public class Test {

    private List<String> list1;
    private List<Integer> list2;
    private List<Data> list3;

    private Set<String> set1;
    private Set<Integer> set2;
    private Set<Data> set3;

    private Map<String, Objects> map1;


    public List<String> getList1() {
        return list1;
    }

    public void setList1(List<String> list1) {
        this.list1 = list1;
    }

    public List<Integer> getList2() {
        return list2;
    }

    public void setList2(List<Integer> list2) {
        this.list2 = list2;
    }

    public List<Data> getList3() {
        return list3;
    }

    public void setList3(List<Data> list3) {
        this.list3 = list3;
    }

    public Set<String> getSet1() {
        return set1;
    }

    public void setSet1(Set<String> set1) {
        this.set1 = set1;
    }

    public Set<Integer> getSet2() {
        return set2;
    }

    public void setSet2(Set<Integer> set2) {
        this.set2 = set2;
    }

    public Set<Data> getSet3() {
        return set3;
    }

    public void setSet3(Set<Data> set3) {
        this.set3 = set3;
    }
}

 

 

 

List<Integer> / List<Data> 주입

package main;

import beans.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.List;

public class MainClass {
    public static void main(String[] args) {

        ClassPathXmlApplicationContext ctx =
                new ClassPathXmlApplicationContext("config/beans.xml");
        
        System.out.println("----------------------------------------------------------------");
        List<Integer> li2 = t1.getList2();
        for(int i:li2) {
            System.out.println(i);
        }

        System.out.println("----------------------------------------------------------------");


        List<Data> li3 = t1.getList3();
        for(Data d:li3) {
            System.out.println(d);
        }
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                        http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="test1" class="beans.Test">
        <property name="list1">
            <list>
                <value>스프링1</value>
                <value>스프링2</value>
                <value>스프링3</value>
            </list>
        </property>

        <property name="list2">
            <list>
                <value type="int">10</value>
                <value type="int">20</value>
                <value type="int">30</value>
            </list>
        </property>

        <property name="list3">
            <list>
                <bean class="beans.Data"/>
                <ref bean="data"/>
            </list>
        </property>

    </bean>

    <bean id="data" class="beans.Data"></bean>
</beans>

package beans;

import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;

public class Test {

    private List<String> list1;
    private List<Integer> list2;
    private List<Data> list3;

    private Set<String> set1;
    private Set<Integer> set2;
    private Set<Data> set3;

    private Map<String, Objects> map1;


    public List<String> getList1() {
        return list1;
    }

    public void setList1(List<String> list1) {
        this.list1 = list1;
    }

    public List<Integer> getList2() {
        return list2;
    }

    public void setList2(List<Integer> list2) {
        this.list2 = list2;
    }

    public List<Data> getList3() {
        return list3;
    }

    public void setList3(List<Data> list3) {
        this.list3 = list3;
    }

    public Set<String> getSet1() {
        return set1;
    }

    public void setSet1(Set<String> set1) {
        this.set1 = set1;
    }

    public Set<Integer> getSet2() {
        return set2;
    }

    public void setSet2(Set<Integer> set2) {
        this.set2 = set2;
    }

    public Set<Data> getSet3() {
        return set3;
    }

    public void setSet3(Set<Data> set3) {
        this.set3 = set3;
    }
}

 

 

Map<String, object> 주입

package main;

import beans.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.util.List;
import java.util.Map;

public class MainClass {
    public static void main(String[] args) {

        ClassPathXmlApplicationContext ctx =
                new ClassPathXmlApplicationContext("config/beans.xml");

Map<String, Object> m1 = t1.getMap1();
    String s1 = (String)m1.get("k1");
    int s2 = (Integer)m1.get("k2");
    Data s3=(Data)m1.get("k3");

    System.out.println(s1);
    System.out.println(s2);
    System.out.println(s3);
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
	                    http://www.springframework.org/schema/beans/spring-beans.xsd">
                        
                        
   <property name="map1">
        <map>
            <entry key="k1" value="스프링"/>
            <entry key="k2" value="10" value-type="java.lang.Integer"/>
            <entry key="k3">
                <bean class="beans.Data"/>
            </entry>
        </map>
    </property>

</bean>

package beans;

import java.util.List;
import java.util.Map;
import java.util.Set;

public class Test {

    private List<String> list1;
    private List<Integer> list2;
    private List<Data> list3;

    private Set<String> set1;
    private Set<Integer> set2;
    private Set<Data> set3;

    private Map<String, Object> map1;


    public List<String> getList1() {
        return list1;
    }

    public void setList1(List<String> list1) {
        this.list1 = list1;
    }

    public List<Integer> getList2() {
        return list2;
    }

    public void setList2(List<Integer> list2) {
        this.list2 = list2;
    }

    public List<Data> getList3() {
        return list3;
    }

    public void setList3(List<Data> list3) {
        this.list3 = list3;
    }

    public Set<String> getSet1() {
        return set1;
    }

    public void setSet1(Set<String> set1) {
        this.set1 = set1;
    }

    public Set<Integer> getSet2() {
        return set2;
    }

    public void setSet2(Set<Integer> set2) {
        this.set2 = set2;
    }

    public Set<Data> getSet3() {
        return set3;
    }

    public void setSet3(Set<Data> set3) {
        this.set3 = set3;
    }

    public Map<String, Object> getMap1() {
        return map1;
    }

    public void setMap1(Map<String, Object> map1) {
        this.map1 = map1;
    }
}